/*
 Copyright 2010 - Jean-Baptiste Vovau

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 */

package talkfeed.data;

import javax.jdo.PersistenceManager;

public interface DataManager {

	/** returns user from given id (email adress / jabber account) */
	public User getUserFromId(String id);
	
	/** return subscription */
	public Subscription getSubscription(User user, Blog blog);
	
	/** get web source from link */
	public Blog getBlogFromLink(String link);

	/** update account activity */
	public void updateUserActivity(String id, boolean isRunning);
	
	/** update intervals*/
	public void updateUserInterval(String id, int minutes);
	
	/** Save object to current datastore */
	public void save(Object obj);
	
	/** Get persistence manager */
	public PersistenceManager newPersistenceManager();
	
}
